Home
Class 12
MATHS
The sum of the roots of the equation tan...

The sum of the roots of the equation `tan^(-1)(x+3)-tan^(-1)(x-3)="sin"^(-1)(3)/(5)` is

A

`3`

B

`2`

C

`0`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
D

`tan^(-1)(x+3)-tan^(-1)(x-3)=sin^(-1)(3/5)`
`implies6/(x^(2)-8)=3/4impliesx=+-4`
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    RESONANCE ENGLISH|Exercise Math|105 Videos
  • TEST PAPER

    RESONANCE ENGLISH|Exercise MATHEMATICS|48 Videos
  • TEST SERIES

    RESONANCE ENGLISH|Exercise MATHEMATICS|132 Videos

Similar Questions

Explore conceptually related problems

The value(s) of x satisfying tan^(-1)(x+3)-tan^(-1)(x-3)=sin^(-1)(3/5) may be

The number of roots of the equation sin^(-1)x-cos^(-1)x=sin^(-1)(5x-3) is/ are

Solve the equation tan^(-1)2x+tan^(-1)3x=pi/4

The values of x satisfying "tan"^(-1) (x+3) -"tan"^(-1) (x-3) = "sin"^(-1)((3)/(5)) are

Solve the equation: tan^-1(2x)+tan^-1 {(3x)} =pi/4

Solve the equation tan^(-1) 2x + tan^(-1) 3x = pi//4

Solve the equation tan^(-1)((x+1)/(x-1))+tan^(-1)((x-1)/x)=tan^(-1)(-7)

The number of solutions of the equation tan^(-1)(1+x)+tan^(-1)(1-x)=pi/2 is 2 (b) 3 (c) 1 (d) 0

The number of integral values of x satisfying the equation tan^(-1) (3x) + tan^(-1) (5x) = tan^(-1) (7x) + tan^(-1) (2x) is ____

Find the number of positive integral solution of the equation Tan^(-1)x+Tan^(-1)(1//y)=Tan^(-1)3 is

RESONANCE ENGLISH-TEST PAPERS-MATHEMATICS
  1. If the normals at (x(i),y(i)) i=1,2,3,4 to the rectangular hyperbola x...

    Text Solution

    |

  2. Let f(x) = x^(3) - x^(2) + x + 1 and g(x) = {{:(max f(t)",", 0 le t le...

    Text Solution

    |

  3. The sum of the roots of the equation tan^(-1)(x+3)-tan^(-1)(x-3)="sin"...

    Text Solution

    |

  4. For an ellipse having major and minor axis along x and y axes respecti...

    Text Solution

    |

  5. If f:[0,1]rarrR is defined as f(x)={(x^(3)(1-x)"sin"1/(x^(2)) 0ltxle1)...

    Text Solution

    |

  6. If f(x)=root (3)(8x^(3)+mx^(2))-nx such that lim(xrarroo)f(x)=1 then

    Text Solution

    |

  7. For the curve y=4x^3-2x^5, find all the points at which the tangents p...

    Text Solution

    |

  8. Minimum value of (sin^(-1)x)^(2)+(cos^(-1)x)^(2) is greater than

    Text Solution

    |

  9. If y + b = m(1)(x + a) and y + b = m(2)(x+a) are two tangents to the p...

    Text Solution

    |

  10. f(x)=lim(mrarroo){lim(nrarroo)cos^(2m)n!pix} then

    Text Solution

    |

  11. Tangents are drawn to the hyperbola x^2/9-y^2/4=1 parallet to the srai...

    Text Solution

    |

  12. Q. For every integer n, leta(n) and b(n) be real numbers. Let functio...

    Text Solution

    |

  13. Let a and b are real numbers such that the function f(x)={(-3ax^(2)-2,...

    Text Solution

    |

  14. If both Lim(xrarrc^(-))f(x) and Lim(xrarrc^(+))f(x) exist finitely and...

    Text Solution

    |

  15. If both Lim(xrarrc^(-))f(x) and Lim(xrarrc^(+))f(x) exist finitely and...

    Text Solution

    |

  16. In a A B C ,A-=(alpha,beta),B-=(1,2),C-=(2,3), point A lies on the li...

    Text Solution

    |

  17. In a Delta ABC, A -= (alpha, beta), B -= (1, 2), C -= (2,3) and point ...

    Text Solution

    |

  18. Let f(x) be real valued continuous function on R defined as f(x)=x^(2)...

    Text Solution

    |

  19. Let f(x) be a real valued continuous function on R defined as f(x)=...

    Text Solution

    |

  20. Let all chords of parabola y^(2)=x+1 which subtends right angle at (1,...

    Text Solution

    |